[題組:第16題到第20題]
One factor that separates a living thing from an inanimate object is the organism’s ability to carry out chemical reactions that are crucial for its survival. Imagine the infinite amount of reactions that a large organism such as human carries out every single day. ______ of these reactions are possible without enzymes.
(A) Any
(B) All
(C) None
(D) More
[題組:第16題到第20題]
Enzymes can either launch a reaction or speed it up. In the absence of enzymes, reactants may take hundreds of years to convert into a usable product, if they are able to do so ______.
(A) at all
(B) at hand
(C) at first
(D) at ease
[題組:第16題到第20題]
In 1902 Sir Archibald Garrod was the first to attribute a ______ to an enzyme defect, which he later referred to as an “inborn error of metabolism.” Today, newborns are routinely screened for certain enzyme defects such as PKU and galactosemia.
(A) disease
(B) balance
(C) measure
(D) statement
[題組:第21題到第30題]
Hundreds of years ago, a savory idea-called the century egg-was hatched in rural China. As the story goes, a farmer found naturally preserved duck eggs in a muddy pool of water and slaked lime. After surviving a tasting, he set out to replicate them manually, resulting in a ______ that would endure for centuries as a comfort food in Hong Kong, China and parts of Southeast Asia.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
Though details of the century egg’s discovery are undocumented, scientists estimate that it ______ more than 500 years to the Ming Dynasty.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
And aside from some techniques used for large-scale production today, the egg preservation process has remained relatively ______.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
To make the eggs, a vat is typically filled with a combination of strong black tea, lime, salt and freshly burned wood ashes, and left to cool overnight. The next day, duck, quail, or chicken eggs are added to the ______.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
Then they soak anywhere from seven weeks to five months-not for a century as the name ______.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
The century egg also ______ many other names, such as hundred-year egg, thousand-year egg, or millennium egg.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
[題組:第21題到第30題]
But no matter what it’s called, this common snack has a rather uncommon taste and is often grouped by travelers with other ______ Asian foods such as chicken feet or snake soup.
(A) provokes (B) exotic (C) delicacy (D) dates back (E) refreshed (F) implies (G) appetizing (H) mixture (I) goes by (J) unchanged (K) challenge (L) favor
